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Questions related to FLUENT
Hello everyone, My goal is to know how accurate is my simulation using the Wall Modeled Large Eddy Simulation (WMLES) S-omega and to calculate the total turbulent kinetic energy. Therefore I...
10 March 2022 1,301 2 View
Hi all, I am trying to do a dynamic mesh simulation in Ansys Fluent with 6DOF on a rotor, but the console gives an error of negative cell volume when running simulation, and I cannot preview my...
09 March 2022 1,121 4 View
So my geometry has two solids which I have to rotate in a certain angle for every simulation with the mesh, so I choose fluent meshing where I can rotate my geometry but after rotating the...
08 March 2022 4,285 3 View
I have 2 problems here 1. The created geometry has many free faces even I repaired the model using space claim it still shows free faces, then I diagnosed it in fluent meshing itself but still...
07 March 2022 417 0 View
Hi , I have transient CFD of a rotating Vertical Axis Wind Turbine. The torque changes with the rotation angle theta, I wish to obtain a plot of torque against azimuth angle as attached below...
04 March 2022 3,382 3 View
I am analyzing flow over symmetric wing. The CL and CD values looks good till stall angle but after stall angle, the CL is not decreasing.
18 February 2022 2,664 2 View
"DP(0) A solver failure occured during the run in the Fluid Flow(Fluent) system." Does anyone know about the solution to this problem? I have been sitting 3 months trying to solve this.What could...
17 February 2022 942 1 View
Which processing method should go to the solution serial or parallel processing in fluent solver.
16 February 2022 4,168 3 View
I'm new to ANSYS and I'd like to simulate a ballon containing water in ANSYS. The ballon is set as shell and the water is static. External load on ballon will arise the hydrostatic pressure on...
16 February 2022 766 3 View
Actually, I want to capture the interface between two miscible fluids in a two-phase flow. It is possible through ANSYS FLUENT software. Actually, I want to capture the finger-shaped instability...
12 February 2022 8,829 3 View
Dea Altruits, I am trying to simulate the CFD simulation of friction stir welding. I have written the code for process simulation. The code is fully compiled. But when I load the code(fiction heat...
10 February 2022 2,063 1 View
Hi guys, I investigate an aerodynamic study of an HAWT using Ansys Fluent. After solution convergence I need to calculate the loads on the blade turbine using CFD-post. How can I do this? Thank you.
10 February 2022 2,046 3 View
I need to compute the temperature, pressure of the eulerian model on ansys fluent, I was able to compute the mixture static pressure, but in computing the static/total temperature of the mixture,...
08 February 2022 4,558 2 View
I'm new to ansys. I was working on the analysis of a piece. After doing the mesh command for a part, it gives an error when you click the update option, and the error is update failed for the mesh...
31 January 2022 9,921 1 View
In my study, I have two cases for CFD which I performed on Ansys Fluent, 1) oscillating flow over a solid cylinder (blunt face perpendicular to flow direction) and 2) solid cylinder (blunt face...
28 January 2022 4,282 3 View
I am doing a project related to screw turbine, in which I am supposed to analyze the screw rotation, when the flow speed of the water is 2m/s. For this I prepared a model in soldworks and use the...
25 January 2022 9,095 3 View
Hello everyone I am trying to simulate 1000 particles in a microchip. The adjustable parameters in the injection part of discrete phase model (transient) are flow rate(kg/s) and start/stop time....
25 January 2022 4,382 3 View
Some commonly used numerical methods for resolution of unstructured complex geometry include Finite Volume Method (FVM), Finite Element Method (FEM) and Spectral Element Method (SEM). Complex...
17 January 2022 9,267 9 View
While meshing a simple domain in ANSYS Meshing, in case of flow over a circular cylinder. Near the cylinder to capture first layer effects, inflation tool is used, at the same time to get...
14 January 2022 6,796 6 View
How do sound waves travel through a barrier? A sound wave is the result of compression and rarefaction of gases. This pressure difference makes the air molecules oscillate. [Fig 1] When sound...
11 January 2022 5,771 3 View
Hi Is any body know how a UDF defined for mass transfer coefficients of CO2 absorption (by MEA) regarding to its relation dimensionless numbers (empirical correlation like kLa= A.ReL^a.ReG^b.We^c....
09 January 2022 9,387 3 View
I'm reading this paper. Development and Application of a Cubic Eddy-Viscosity Model ... This paper is claiming there is a problem in k-epsilon model. Because in k-epsilon model, we assume that...
05 January 2022 804 5 View
how to put error bar in Tecplot with deviation ( means how to put error value)?
24 December 2021 7,556 3 View
I am using FLUENT to perform Eulerian-Langerian simulation of particle, and need to re-divide the existing grid into a uniform and coarse secondary grid to obtain a smoother concentration...
23 December 2021 9,322 3 View